Right: The One vs Contrail.
I'd take the Contrail every time. It so much easier and quicker than The One to erect.
The One is lighter than the Contrail, but its lightness is not enough to outweigh its fiddly nature.
At the end of a long day, when you're buggered and keen to hit the sack, the Contrail is a joy. It's up and you're cosy in two minutes. Not so The One.
At least that's my opinion.